<!doctype html>
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<input type="text" id='info'>
	<div id="show"></div>
	<button id="btn">显示</button>
	<script src="jquery-1.11.3.js"></script>
	<script src="test.js"></script>
</body>
</html>